1893.] The Ancylopoda, Chalicotherium and Artionyx. 133 
RECENT BIBLIOGRAPHY. 
1. Cope: “The Vertebrata of the Swift Current River, II.” 
AMERICAN NaturRAuist, March, 1889, p. 151 (species 
C. bilobatum, order Ancylopoda). 
2. Depéret: “La Faune de Mammifères Miocénes de la Grive- 
St. Alban.” Arch. Mus. d’Hist. Nat. d’Lyon, 1892. 
3. Filhol: Assoc. Franç. Congrès Toulouse, 1888, p. 265. 
“ Mammifères de Sansan.” Ann. Se. Géol., 1891, pp. 
294-300, Plates 43—46. 
4. Gaudry: Journ. de Zool., 1875, Plate 18 (Schizotheriwm 
priscum). 
“Les Enchainments du Monde Animal.” 1878, pp. 
194-198. 
“Fauna Attica.” 
5. Osborn: “ Chalicotherium and Macrotherium.” AMERICAN 
NATURALIST, 1889, p. 729. 
“Meniscotheriide and Chalicotherioidea.” AMERI- 
CAN NATURALIST, Oct., 1891, p. 911. 
_ “Ts Meniscotherium a Member of the Chalicotheri- 
oidea.” AMERICAN NATURALIST, June, 1892, p. 507. 
“ Artionyx, a new member of the Ancylopoda.” 
Bull. Am. Mus. Nat. Hist., February, 1893. (Osborn 
and Wortman.) 
